Configuring a Layer 3 Switch in Omada SDN

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Configuring a Layer 3 Switch in Omada SDN
Configuring a Layer 3 Switch in Omada SDN
2021-10-28 08:01:22
Model: TL-SG2218
Hardware Version: V1
Firmware Version: 1.1.1

I have recently decided to give Omada SDN another go after abandoning it about a year ago.

 

At the moment i am struggling with setting up the switch as a layer 3 switch (DHCP server and inter VLAN routing). 

 

The map is quite simple

 

R605 with 1 interface controlling the DHCP server for VLAN1 (192.168.0.1/24) connected to 

SG2218 with 2 interfaces controlling the DHCP server for VLAN2 and 3 (192.168.2.0/24 and 192.168.3.0/24).

 

 

I have successfully created the interfaces and set up the DHCP servers on the device configuration page. 

 

 

 

 

Devices connect to the switch fine and receive a DHCP lease but for the life of me i can't get any intervlan routing to work.

 

I have tried lots of different combinations in static routing but i would have assumed the switch would make dynamic routes by default to cover the interfaces which have been made.

 

 

 

 

Any suggestions welcome! 

 

 

 

 

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Re:Configuring a Layer 3 Switch in Omada SDN
2021-10-29 06:05:32

@Adoril 

 

Refer to this step 2: https://www.tp-link.com/us/support/faq/3091/

 

Think you did not get things right. They have a guide for this kind of setup. 

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Re:Configuring a Layer 3 Switch in Omada SDN
2021-11-02 21:16:25

@Adoril 

Hi, i saw you have set up dhcp servers in both sections - the switch AND the gateway.

You should use only the gateway.

Here is a comprehensive Tutorial from TP-Link with the actual OMADA-Hardware. All steps ar illustrated, setting up the WAN, LAN, VLAN and ACLs.

https://community.tp-link.com/en/business/stories/detail/1824

Greatings

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Re:Configuring a Layer 3 Switch in Omada SDN
2021-11-03 08:54:20

@nutzich 

 

Thanks for the reply. Fortunately i accidently stumbled on the answer yesterday when i tried to log into the gateway and it gave me back the router rather than the switch! Once i changed it to a VLAN interface rather than a full interface i just set up my normal static route from the router to the switch and touch wood all has worked fine.

 

The guide does look good though. I do think Tp Link could do with a modified FAQ showing how to set up the switch as a gateway, they have one for setting it up as a DHCP server (https://www.tp-link.com/uk/support/faq/3155/) which gets you half way there but there is still some elements missing. 

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